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https://issues.apache.org/jira/browse/FLINK-7679?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16244295#comment-16244295
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Greg Hogan commented on FLINK-7679:
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[~yew1eb] do Flink tests pass with Java 8 and maven enforcer plugin to 3.0.0-M1?
> Upgrade maven enforcer plugin to 3.0.0-M1
> -----------------------------------------
>
> Key: FLINK-7679
> URL: https://issues.apache.org/jira/browse/FLINK-7679
> Project: Flink
> Issue Type: Sub-task
> Components: Build System
> Reporter: Ted Yu
> Assignee: Hai Zhou UTC+8
>
> I got the following build error against Java 9:
> {code}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce (enforce-maven)
> on project flink-parent: Execution enforce-maven of goal
> org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce failed: An API
> incompatibility was encountered while executing
> org.apache.maven.plugins:maven-enforcer-plugin:1.4.1:enforce:
> java.lang.ExceptionInInitializerError: null
> [ERROR] -----------------------------------------------------
> [ERROR] realm = plugin>org.apache.maven.plugins:maven-enforcer-plugin:1.4.1
> [ERROR] strategy = org.codehaus.plexus.classworlds.strategy.SelfFirstStrategy
> [ERROR] urls[0] =
> file:/home/hbase/.m2/repository/org/apache/maven/plugins/maven-enforcer-plugin/1.4.1/maven-enforcer-plugin-1.4.1.jar
> {code}
> Upgrading maven enforcer plugin to 3.0.0-M1 would get over the above error.
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